CN205691153U - A kind of electronic measuring instrument based on REID - Google Patents
A kind of electronic measuring instrument based on REID Download PDFInfo
- Publication number
- CN205691153U CN205691153U CN201620308700.1U CN201620308700U CN205691153U CN 205691153 U CN205691153 U CN 205691153U CN 201620308700 U CN201620308700 U CN 201620308700U CN 205691153 U CN205691153 U CN 205691153U
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- Prior art keywords
- module
- reid
- measuring instrument
- radio
- main control
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Abstract
The utility model discloses a kind of electronic measuring instrument based on REID, including body, the front of described body is provided with LED display, control knob, Wiring port, electric source line interface and display lamp, described internal is provided with main control module, serial communication module, Temperature and Humidity module, signal acquisition module and radio-frequency (RF) receiving and transmission module, described signal acquisition module includes pre-amplifying module, low-pass filtering module, amplification module, trap module and the final stage amplification module being sequentially connected electrically, and the top of described body is provided with antenna.This utility model simple in construction, design ingenious, easy to use, the size of plant electric signal and the temperature value of plant local environment and humidity value can be monitored simultaneously, and practical, and data transmission rate is high, capacity of resisting disturbance is strong, the signal of telecommunication measured can carry out three times amplify, and interference factor is got rid of, make the data recorded more accurate.
Description
Technical field
This utility model relates to electronic measuring instrument technical field, a kind of electronic, horological based on REID
Measuring appratus.
Background technology
According to the function of measuring instrument, electronic measuring instrument can be divided into special and general two big classes.Special electronic measuring instrument
For specific purpose, specialized designs makes device, it is adaptable to the measurement of special object, such as, test optical fiber instrument is exclusively used in
The characteristic of test optical fiber, communication test instrument parameter in test communication line and communication process.Universal electric is measured
Instrument designs to measure some or certain some basic electric parameters, it is adaptable to multiple electronic surveying.RF identification, again
Claim radio frequency identification, be a kind of communication technology, radio signals identification specific objective can be passed through and read and write related data, and nothing
Need to identify and between system and specific objective, set up machinery or optical contact.If radio frequency, usually microwave, 1-100GHz, it is suitable for
Communicate in short distance identification.Rfid interrogator also divides movable type and fixed, and the application of current RFID technique is very wide, such as books
Shop, gate control system, food safety is traced to the source.Plant electric signal belongs to the faintest signal of telecommunication, and scope is the most several at tens millivolts
Hundred millivolts, some plant electric signals, even in microvolt level, cause existing measuring instrument cannot record plant electric signal accurately,
And existing measuring instrument is highly susceptible to the interference of external electromagnetic environment when measuring, and result in the information recorded more not
Accurately, for the problems referred to above, a kind of electronic measuring instrument based on REID of special proposition.
Utility model content
The purpose of this utility model is to provide a kind of electronic measuring instrument based on REID, above-mentioned to solve
The problem proposed in background technology.
For achieving the above object, the following technical scheme of this utility model offer: a kind of electronics based on REID
Measuring instrument, including body, the front of described body be provided with LED display, control knob, Wiring port, electric source line interface and
Display lamp, described internal is provided with main control module, serial communication module, Temperature and Humidity module, signal acquisition module and penetrates
Frequently transceiver module, and main control module by electric conductor and LED display, control knob, Wiring port, electric source line interface, refer to
Showing lamp, serial communication module, Temperature and Humidity module, signal acquisition module and radio-frequency (RF) receiving and transmission module electrical connection, described signal is adopted
Collection module includes that the pre-amplifying module, low-pass filtering module, amplification module, trap module and the final stage that are sequentially connected electrically amplify mould
Block, described serial communication module is connected, outside described electric source line interface is connected to by power line with extraneous PC end by data wire
Connecing power supply, the top of described body is provided with antenna, and antenna is connected to radio-frequency (RF) receiving and transmission module by electric conductor.
Preferably, described radio-frequency (RF) receiving and transmission module is two-way electrical connection with the electric connection mode of main control module, and radio frequency is sent out
Penetrate and module is provided with analog-to-digital conversion module.
Preferably, the model of described main control module is AT89S52, and the model of described radio-frequency (RF) receiving and transmission module is
NRF24LO1。
Preferably, described internal is provided with power supply and stores module, and power supply is stored module and is connected respectively to by electric conductor
Main control module and electric source line interface.
Compared with prior art, the beneficial effects of the utility model are: a kind of electronic surveying based on REID
Instrument, simple in construction, design ingenious, easy to use, the size of plant electric signal and plant local environment can be monitored simultaneously
Temperature value and humidity value, and practical, and data transmission rate is high, and capacity of resisting disturbance is strong, can carry out the signal of telecommunication measured
Amplify for three times, and interference factor is got rid of, make the data recorded more accurate.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the structured flowchart of body interior electronic component in this utility model；
Fig. 3 is the structured flowchart of signal acquisition module in this utility model；
Fig. 4 is the FB(flow block) of main control module in this utility model.
In figure: 1, body, 2, LED display, 3, control knob, 4, Wiring port, 5, electric source line interface, 6, display lamp,
7, antenna.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Fig. 1-4, a kind of technical scheme of this utility model offer: a kind of electronic surveying based on REID are provided
Instrument, including body 1, the front of described body 1 is provided with LED display 2, control knob 3, Wiring port 4, electric source line interface 5
With display lamp 6, in described body 1, it is provided with main control module, serial communication module, Temperature and Humidity module, signal acquisition module
And radio-frequency (RF) receiving and transmission module, and main control module is by electric conductor and LED display 2, control knob 3, Wiring port 4, power line
Interface 5, display lamp 6, serial communication module, Temperature and Humidity module, signal acquisition module and radio-frequency (RF) receiving and transmission module electrical connection, institute
State pre-amplifying module, low-pass filtering module, amplification module, trap module and end that signal acquisition module includes being sequentially connected electrically
Level amplification module, described serial communication module is connected with extraneous PC end by data wire, and described electric source line interface 5 passes through power line
Being connected to external power supply, the top of described body 1 is provided with antenna 7, and antenna 7 is connected to radio-frequency receiving-transmitting mould by electric conductor
Block, can monitor the size of plant electric signal and the temperature value of plant local environment and humidity value simultaneously, and practical, number
High according to transfer rate, capacity of resisting disturbance is strong, the signal of telecommunication measured can carry out three times and amplify, and be got rid of by interference factor, make
The data recorded are more accurate.
Specifically, described radio-frequency (RF) receiving and transmission module is two-way electrical connection with the electric connection mode of main control module, and radio frequency
Transmitter module is provided with analog-to-digital conversion module, analog digital conversion can be carried out voluntarily, it is not necessary to digital to analog converter is installed again, and permissible
Realize the transmitted in both directions between data.
Specifically, the model of described main control module is AT89S52, and the model of described radio-frequency (RF) receiving and transmission module is
NRF24LO1, can improve the overall performance of this electronic measuring instrument based on REID.
Specifically, it is provided with power supply in described body 1 and stores module, and power supply is stored module and connected respectively by electric conductor
To main control module and electric source line interface 5, electricity can be stored, make this electronic measuring instrument based on REID in nothing
Can be continuing with during power supply.
Operation principle: record the signal of telecommunication according to signal acquisition module, tentatively amplifies through pre-amplifying module, and will
Signal is delivered to send in amplification module after low-pass filtering module filters noise amplify further, is then gone by trap module
Except the Hz noise of 50HZ, after improve gain further through final stage amplification module, and pass the signal in main control module,
Main control module is to be interrupted according to setting etc., and is transferred out by final data, then can be recorded by Temperature and Humidity module
The humiture of plant, and relevant information is sent on LED display 2 display, and according to radio-frequency (RF) receiving and transmission module number
According to transmission.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. an electronic measuring instrument based on REID, including body (1), it is characterised in that: described body (1)
Front is provided with LED display (2), control knob (3), Wiring port (4), electric source line interface (5) and display lamp (6), described
Main control module, serial communication module, Temperature and Humidity module, signal acquisition module and radio-frequency (RF) receiving and transmission module it is provided with in body (1),
And main control module by electric conductor and LED display (2), control knob (3), Wiring port (4), electric source line interface (5), refer to
Show lamp (6), serial communication module, Temperature and Humidity module, signal acquisition module and radio-frequency (RF) receiving and transmission module electrical connection, described signal
Acquisition module includes that the pre-amplifying module, low-pass filtering module, amplification module, trap module and the final stage that are sequentially connected electrically are amplified
Module, described serial communication module is connected with extraneous PC end by data wire, and described electric source line interface (5) is connected by power line
To external power supply, the top of described body (1) is provided with antenna (7), and antenna (7) is connected to radio-frequency receiving-transmitting mould by electric conductor
Block.
A kind of electronic measuring instrument based on REID the most according to claim 1, it is characterised in that penetrate described in:
Frequently transceiver module is two-way electrical connection with the electric connection mode of main control module, and is provided with analog digital conversion mould in radiofrequency emitting module
Block.
A kind of electronic measuring instrument based on REID the most according to claim 1, it is characterised in that: described master
The model of control module is AT89S52, and the model of described radio-frequency (RF) receiving and transmission module is NRF24L01.
A kind of electronic measuring instrument based on REID the most according to claim 1, it is characterised in that: described
It is provided with power supply in body (1) and stores module, and power supply stores module and is connected respectively to main control module and power line by electric conductor
Interface (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308700.1U CN205691153U (en) | 2016-04-13 | 2016-04-13 | A kind of electronic measuring instrument based on REID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308700.1U CN205691153U (en) | 2016-04-13 | 2016-04-13 | A kind of electronic measuring instrument based on REID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691153U true CN205691153U (en) | 2016-11-16 |
Family
ID=57265045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308700.1U Expired - Fee Related CN205691153U (en) | 2016-04-13 | 2016-04-13 | A kind of electronic measuring instrument based on REID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794484A (en) * | 2021-09-14 | 2021-12-14 | 北京坤驰科技有限公司 | Radio frequency recorder and case |
-
2016
- 2016-04-13 CN CN201620308700.1U patent/CN205691153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794484A (en) * | 2021-09-14 | 2021-12-14 | 北京坤驰科技有限公司 | Radio frequency recorder and case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170413 |